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Criminal & Family Law Attorneys in McKinney, TX

This firm is a part of the community. Collin County is our home, and we simply want to serve our neighbors.

The people of McKinney are not just our clients — they are our friends and family. Chances are, if we don’t know you personally, we know someone who does. Therefore, we will do our best to advocate for you in whatever means necessary.

Get to Know Us

Nii Amaa Ollennu

Considering that he was named after a former Supreme Court judge, Nii was born with a lot to live up to. However, his clients would tell you he is doing just that.

Today, Nii is a passionate advocate who continually strives to bring justice to those who would not otherwise have a voice.

Practice Areas

Criminal Defense

Regardless of what has happened, we will work to uphold your rights and ensure you are treated fairly.

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Family Law

You may be going through a difficult time, but we will strive to eliminate as much of the stress as possible.

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Get Proven Skill Without the Pretense

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The most common piece of feedback I hear from clients is that they sensed a true connection between us. They can tell that I care and am committed to their case.

- Nii Amaa Ollennu

What Our Clients Have to Say

I couldn't recommend [Nii] any higher. Wish there were a way to give more than 5 stars!

–H.G.

Nii is the most humble and gracious lawyer I have ever met. He sincerely cares about his clients and it showed in the way he took care of business for my husband.

–J.W.

When meeting [Nii] for my first appearance, not only was he able to get the case heard early, but he walked out of the DA's office with charges dismissed! I would give him ten stars if I could!

–J.T.

Personalized Service for Every Client, Every Time

You and your attorney should have a genuine connection.

Across our various areas of practice, clients repeatedly say the same thing: they can tell we care and are there for them. To us, this comes naturally because we aim to establish a true relationship with each and every client who walks through our doors. These relationships are what motivate us to work diligently for our clients the same way we would for anyone who was a friend, neighbor, or family member.

Of course, the basis of every relationship is trust, so we are sure to build it through transparency. When we explain the different options for your case, we never forget to detail the expenses, too. We know the value of a dollar, and we respect it.

Furthermore, we are accessible. We understand that in order for you to lean on us, we have to make ourselves available to you when it matters. That is why we give out our direct numbers and do our best to answer calls outside of normal business hours. It’s simply part of our “treating you like family" policy.

Notable Cases & Matters

Violation of a Protective Order

Client charged with violation of a protective order – possession of a firearm – when the car was searched after an arrest for a driving offense. After deliberations, the jury found the client not guilty of the offense.

Jury Trial—Not Guilty

Divorce with Children

An unrepresented father was about to sign a final divorce decree that was not in his, nor his child’s, best interest. Under the proposed decree, the father would agree to excessive amounts of child support, limited time with his daughter, and an unjust division of the marital estate.

Negotiated a Final Divorce Decree that gave the father 50/50 possession of his daughter, decreased the monthly child support payments, and fairly divided the community property.

Possession of Marijuana and a Controlled Substance

Client was unconstitutionally stopped by police, and subsequently arrested for possession of liquid codeine (felony) and marijuana (misdemeanor). Contesting the stop at a motion to suppress evidence hearing, the Court excluded all evidence from the stop from trial and the state motioned to dismiss all charges.

Motion to Suppress Granted; Case Dismissed

Child Custody Modification

A father was the primary caretaker of his 8-year-old daughter, but the previous court orders did not provide any child support, nor protect the child from the mother’s substance abuse issues.

Successfully filed suit to modify previous custody orders. Father gained the right to designate primary residency of the child, and mother was ordered to begin paying child support.

DWI BAC >= 0.15

Client was arrested for Driving While Intoxicated after being pulled over by police for speed. A blood test taken after this stop alleged my client’s blood alcohol level (BAC) at the time of the test was .216, resulting in this case being charged as a Class A Misdemeanor.

The information you obtain at this site is not, nor is it intended to be, legal advice. You should consult an attorney for advice regarding your individual situation. Contacting us does not create an attorney-client relationship.